CN206419223U - A kind of static pressure test apparatus for RRA pump mechanical sealing components - Google Patents
A kind of static pressure test apparatus for RRA pump mechanical sealing components Download PDFInfo
- Publication number
- CN206419223U CN206419223U CN201621490824.2U CN201621490824U CN206419223U CN 206419223 U CN206419223 U CN 206419223U CN 201621490824 U CN201621490824 U CN 201621490824U CN 206419223 U CN206419223 U CN 206419223U
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- rra
- mechanical sealing
- sealed
- sealing assemblies
- sealed cylinders
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Abstract
The utility model is a kind of static pressure test apparatus for RRA pump mechanical sealing components, is related to conventional pumps service technique field.The utility model includes RRA simulations pump shaft, water inlet interface, exhaust port, RRA sealed cylinders, RRA sealed cylinder cover plates；RRA simulations pump shaft, RRA mechanical sealing assemblies, RRA sealed cylinders are fixedly connected, RRA sealed cylinders and RRA sealed cylinder cover plates are fixedly connected, a cavity is formd between RRA simulations pump shaft, RRA sealed cylinders, RRA sealed cylinder cover plates, RRA mechanical sealing assemblies are installed in the cavities；The water inlet interface connected with cavity water filling into cavity is installed on RRA sealed cylinder cover plates, the exhaust port connected with cavity is installed at the top of RRA sealed cylinders and discharges empty intracavity gas.Sealed cylinder, simulation pump shaft size tolerance in the utility model seal component dimensional tolerance according to machine and processed, to ensure simulation assembling, test effect with being actually consistent；The utility model is simple in construction, easy to operate.
Description
Technical field
The utility model is related to conventional pumps service technique field, and in particular to a kind of for RRA pump mechanical sealing components
Static pressure test apparatus.
Background technology
In Nuclear Power Station level pump apparatus, RRA pumps belong to nuclear safety first device, there is very important effect, because
This must regularly be overhauled and maintenance work.
Mechanical sealing assembly is the key link overhauled every time, at present, mechanical close for what is re-assemblied after Disintegration overhaul
Sealing assembly, the facility of its assembling effect of no detection, device can seal assembling condition with detection machine, it is to avoid the unqualified machine envelope group of assembling
Part installation operation, the problem of causing the leakage shutdown of RRA pumps.
The content of the invention
The utility model provides a kind of static pressure test apparatus for RRA pump mechanical sealing components, using simple, reliable
Structure type, simulates RRA pump mechanical sealing component use states, quick to carry out the static water pressure test of mechanical sealing assembly, detection
The assembling effect of mechanical sealing assembly.
The technical solution of the utility model is：
A kind of static pressure test apparatus for RRA pump mechanical sealing components, including screw, RRA simulation pump shaft, water inlet connect
Mouth, exhaust port, RRA sealed cylinders, O-ring seals, RRA sealed cylinder cover plates；
RRA mechanical sealing assemblies madial wall is step, and upper diameter is more than lower diameter；Outside RRA mechanical sealing assemblies
Side wall is step, and upper diameter is more than lower diameter；
RRA simulates pump shaft and is arranged on from top inside RRA mechanical sealing assemblies, and shape is matched with RRA mechanical sealing assemblies,
Block, set at correspondence RRA mechanical sealing assembly inwall steps with being fitted at the top of RRA mechanical sealing assemblies at the top of RRA simulation pump shafts
There is inclined-plane；The regional area above RRA mechanical sealing assembly steps, RRA simulation pump shafts are closely pasted with RRA mechanical sealing assemblies
Close, contact surface is provided with two O-ring seals；
RRA sealed cylinders are arranged on outside RRA mechanical sealing assemblies from below, and shape is matched with RRA mechanical sealing assemblies,
Correspondence position blocks RRA mechanical sealing assembly outer wall step surfaces provided with the shaft shoulder；In the side wall part of RRA sealed cylinders and shaft shoulder area
Domain, RRA sealed cylinders are brought into close contact with RRA mechanical sealing assemblies, and two contact surfaces are respectively arranged with O-ring seal；
RRA sealed cylinders cover plate is arranged on RRA simulations pump shaft, RRA mechanical sealing assemblies, the lower end of RRA sealed cylinders, right
Answer RRA mechanical sealing assemblies lower end position raised as positioning step provided with annulus, it is close that RRA machineries are withstood on the raised top of annulus
Sealing assembly lower end；The raised inwall of annulus is brought into close contact with RRA simulation pump shafts, and outer and the RRA of RRA sealed cylinder cover plates are sealed
The bottom of cylinder is brought into close contact, and two contact surfaces are provided with O-ring seal；
RRA simulations pump shaft, RRA mechanical sealing assemblies, RRA sealed cylinders are fixedly connected by screw, RRA sealing drums
Body and RRA sealed cylinder cover plates are fixedly connected by screw, RRA simulations pump shaft, RRA sealed cylinders, RRA sealed cylinder lids
A cavity is formd between plate, RRA mechanical sealing assemblies are installed in the cavities；
The water inlet interface connected with cavity water filling into cavity is installed, in RRA sealed cylinders on RRA sealed cylinder cover plates
Top the exhaust port connected with cavity be installed discharge empty intracavity gas.
The screw is soket head cap screw.
The RRA simulations pump shaft, RRA sealed cylinders, RRA sealed cylinder cover plates are made up of stainless steel material.
The beneficial effects of the utility model are：
The utility model is used for the overall static water pressure test after the maintenance of RRA pump mechanical sealings component, verifies mechanical seal group
Whether the state of part good, thus avoid repeatability maintenance bring human and material resources loss, guarantee service work it is smooth,
It is quick to carry out.
Sealed cylinder, simulation pump shaft size tolerance in the utility model seal component dimensional tolerance according to machine and processed,
To ensure simulation assembling, test effect with being actually consistent.
Load RRA mechanical sealing assemblies in the utility model, chamber interior air is discharged after fastening, treats that water under high pressure fills completely
Full test chamber can close valve, carry out RRA pump mechanical sealing component static pressure tests, simple to operate.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram.
In figure, 1- soket head cap screws, 2-RRA simulation pump shafts, 3- water inlet interfaces, 4- exhaust ports, 5-RRA mechanical seal groups
Part, 6-RRA sealed cylinders, 7-O shape sealing rings, 8-RRA sealed cylinder cover plates.
Embodiment
The utility model is described further with reference to the accompanying drawings and examples.
The utility model is a kind of static pressure test apparatus for RRA pump mechanical sealing components, using stainless steel material system
Into to mechanical sealing assembly progress Integral static pressure experiment when being overhauled for RRA pumps, whether inspection mechanical sealing assembly assembling quality
Regulation is met to require.
As shown in figure 1, the utility model is used to carry out RRA mechanical sealing assemblies 5 static pressure test, including soket head cap screw
1st, RRA simulates pump shaft 2, water inlet interface 3, exhaust port 4, RRA sealed cylinders 6, O-ring seals 7, RRA sealed cylinders cover plate 8.
The madial wall of RRA mechanical sealing assemblies 5 is step, and upper diameter is more than lower diameter；RRA mechanical sealing assemblies 5
Lateral wall is step, and upper diameter is more than lower diameter.
RRA simulates pump shaft 2 and is arranged on from top inside RRA mechanical sealing assemblies 5, shape and RRA mechanical sealing assemblies 5
Match somebody with somebody, the top of RRA simulations pump shaft 2 is fitted with the top of RRA mechanical sealing assemblies 5 blocks, wall stand in correspondence RRA mechanical sealing assemblies 5
Inclined-plane is provided with rank；The regional area above the step of RRA mechanical sealing assemblies 5, RRA simulation pump shafts 2 and RRA mechanical sealing assemblies
5 are brought into close contact, and contact surface is provided with two O-ring seals 7, and water is sealed in static pressure test.
RRA sealed cylinders 6 are arranged on outside RRA mechanical sealing assemblies 5 from below, shape and RRA mechanical sealing assemblies 5
Match somebody with somebody, correspondence position blocks the outer wall step surface of RRA mechanical sealing assemblies 5 provided with the shaft shoulder；The side wall of RRA sealed cylinders 6 it is local and
Shoulder region, RRA sealed cylinders 6 and RRA mechanical sealing assemblies 5 are brought into close contact, and two contact surfaces are respectively arranged with O-ring seal
7, water is sealed in static pressure test.
RRA sealed cylinders cover plate 8 is arranged under RRA simulations pump shaft 2, RRA mechanical sealing assemblies 5, RRA sealed cylinders 6
End, the lower end position of correspondence RRA mechanical sealing assemblies 5 is raised as positioning step provided with annulus, and RRA is withstood on the raised top of annulus
The lower end of mechanical sealing assembly 5；The raised inwall of annulus is brought into close contact with RRA simulation pump shafts 2, the outer of RRA sealed cylinders cover plate 8
It is brought into close contact with the bottom of RRA sealed cylinders 6, two contact surfaces are respectively arranged with O-ring seal 7, in static pressure test to water
Sealed.
RRA simulations pump shaft 2, RRA mechanical sealing assemblies 5, RRA sealed cylinders 6 pass through the company of being fixed of soket head cap screw 1
Connect, RRA sealed cylinders 6 and RRA sealed cylinders cover plate 8 are fixedly connected by soket head cap screw 1, RRA simulations pump shaft 2, RRA
A cavity is formd between sealed cylinder 6, RRA sealed cylinders cover plate 8, for installing RRA mechanical seals in the cavities
Component 5 carries out static pressure test.The water inlet interface 3 connected with cavity is installed, in RRA sealed cylinders on RRA sealed cylinders cover plate 8
6 top is provided with the exhaust port 4 connected with cavity, when carrying out static pressure test, and water inlet interface 3 is used to note into cavity
Water, exhaust port 4 is used for the discharge of empty intracavity gas, treats that sky intracavity gas empty and reach that test pressure can start static pressure examination
Test.
The positioning step of RRA sealed cylinders cover plate 8 can axial restraint RRA mechanical seal groups with the RRA simulation top platens of pump shaft 2
Part 5, axial limiting during simulation RRA 5 running statuses of mechanical sealing assembly.
The utility model passes through spatial simulation between RRA sealed cylinders 6, RRA sealed cylinders cover plate 8 and RRA simulation pump shaft 2
RRA mechanical sealing assemblies 5 install chamber, during experiment, when chamber interior injection high pressure Fluid Dynamics RRA mechanical sealing assemblies 5 work
The operating pressure born.
Assembling of the present utility model and application method are as follows：
Step one, static pressure test apparatus described in the utility model is assembled, O-ring seal 7 is loaded into RRA sealed cylinder cover plates
After 8, RRA sealed cylinders cover plate 8 and RRA sealed cylinders 6 are assembled into one using soket head cap screw 1, then installed successively
Water inlet interface 2 and exhaust port 4.
Step 2, RRA mechanical sealing assemblies 5 are loaded in the static pressure test apparatus, are consolidated by soket head cap screw 1
It is fixed；
Step 3, the inlet valve opened the drain tap installed on exhaust port 4 successively and installed in water inlet interface 3 is opened
Drain tap is closed after beginning water filling, emptying receptacles internal chamber air, system pressure, which reaches, closes valve after test pressure, carried out
Static pressure test.
Embodiment of the present utility model is explained in detail above, above-mentioned embodiment is only of the present utility model optimal
Embodiment, but the utility model is not limited to above-described embodiment, the knowledge possessed in those of ordinary skill in the art
It is interior, it can also be made a variety of changes on the premise of the utility model objective is not departed from.
Claims (3)
1. a kind of static pressure test apparatus for RRA pump mechanical sealing components, it is characterised in that：Including screw, RRA simulation pump shafts
(2), water inlet interface (3), exhaust port (4), RRA sealed cylinders (6), O-ring seals (7), RRA sealed cylinders cover plate (8)；
RRA mechanical sealing assemblies (5) madial wall is step, and upper diameter is more than lower diameter；RRA mechanical sealing assemblies (5)
Lateral wall is step, and upper diameter is more than lower diameter；
RRA simulation pump shafts (2) are arranged on RRA mechanical sealing assemblies (5) inside, shape and RRA mechanical sealing assemblies (5) from top
Blocked at the top of matching, RRA simulation pump shafts (2) with being fitted at the top of RRA mechanical sealing assemblies (5), correspondence RRA mechanical sealing assemblies
(5) inclined-plane is provided with inwall step；The regional area above RRA mechanical sealing assemblies (5) step, RRA simulation pump shafts (2) with
RRA mechanical sealing assemblies (5) are brought into close contact, and contact surface is provided with two O-ring seals (7)；
RRA sealed cylinders (6) are arranged on RRA mechanical sealing assemblies (5) outside, shape and RRA mechanical sealing assemblies (5) from below
Matching, correspondence position blocks RRA mechanical sealing assemblies (5) outer wall step surface provided with the shaft shoulder；In the side wall of RRA sealed cylinders (6)
Part and shoulder region, RRA sealed cylinders (6) are brought into close contact with RRA mechanical sealing assemblies (5), and two contact surfaces are set respectively
There is O-ring seal (7)；
RRA sealed cylinders cover plate (8) is arranged on RRA simulation pump shafts (2), RRA mechanical sealing assemblies (5), RRA sealed cylinders (6)
Lower end, correspondence RRA mechanical sealing assembly (5) lower end position is used as positioning step, the raised top of annulus provided with annulus is raised
Withstand RRA mechanical sealing assemblies (5) lower end；The raised inwall of annulus is brought into close contact with RRA simulation pump shafts (2), RRA sealed cylinders
The outer of cover plate (8) and the bottom of RRA sealed cylinders (6) are brought into close contact, and two contact surfaces are provided with O-ring seal (7)；
RRA simulation pump shafts (2), RRA mechanical sealing assemblies (5), RRA sealed cylinders (6) are fixedly connected by screw, RRA
Sealed cylinder (6) and RRA sealed cylinders cover plate (8) are fixedly connected by screw, RRA simulation pump shafts (2), RRA sealing drums
A cavity is formd between body (6), RRA sealed cylinders cover plate (8), RRA mechanical sealing assemblies (5) are installed in the cavities；
Water inlet interface (3) water filling into cavity connected with cavity is installed, in RRA sealing drums on RRA sealed cylinders cover plate (8)
The exhaust port (4) connected with cavity is installed at the top of body (6) to discharge empty intracavity gas.
2. a kind of static pressure test apparatus for RRA pump mechanical sealing components as claimed in claim 1, it is characterised in that：Institute
Screw is stated for soket head cap screw (1).
3. a kind of static pressure test apparatus for RRA pump mechanical sealing components as claimed in claim 1, it is characterised in that：Institute
RRA simulation pump shafts (2), RRA sealed cylinders (6), RRA sealed cylinders cover plate (8) is stated to be made up of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490824.2U CN206419223U (en) | 2016-12-30 | 2016-12-30 | A kind of static pressure test apparatus for RRA pump mechanical sealing components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490824.2U CN206419223U (en) | 2016-12-30 | 2016-12-30 | A kind of static pressure test apparatus for RRA pump mechanical sealing components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206419223U true CN206419223U (en) | 2017-08-18 |
Family
ID=59574932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621490824.2U Withdrawn - After Issue CN206419223U (en) | 2016-12-30 | 2016-12-30 | A kind of static pressure test apparatus for RRA pump mechanical sealing components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206419223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266384A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of static pressure test apparatus for RRA pump mechanical sealing components |
-
2016
- 2016-12-30 CN CN201621490824.2U patent/CN206419223U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266384A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of static pressure test apparatus for RRA pump mechanical sealing components |
| CN108266384B (en) * | 2016-12-30 | 2019-10-22 | 核动力运行研究所 | A kind of static pressure test apparatus for RRA pump mechanical sealing component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170818 Effective date of abandoning: 20191022 |
|
| AV01 | Patent right actively abandoned |